Backup to cloud drives - Google drive missing

Using a laptop PC, Windows 10, in step to to select the target drive for my backup, on only see dropbox and one-drive, but not google drive. All I can find on line is to install google sync, which I do not want as it seems to take over my computer. How do I get a google drive icon in my file manager like dropbox and one-drive?Note that I got multiple google accounts and only want to backup to one of these google drive accounts.